Stop tracking native view controllers on iOS

[bnickel]

This change disables view controller capture on iOS unless enableNativeTouchEventCapture is set. This prevents a flood of meaningless RNSScreen pageviews that cause confusion during analysis.

I also updated Heap.setAppId to use the same initialization logic as auto-init.

To do this, Heap sets the new HeapOptions.disableViewControllerAutocapture option to YES on initialize. Each time Heap needs a new pageview (once per session) an empty one is added to the queue.

Test Plan

Changes were tested manually in a demo app and validated with detox.

Checklist

• [x] Detox tests pass
• [x] If this is a bugfix/feature, the changelog has been updated

[bnickel]

@apyousef This is ready for re-review.